* [PATCH] arch: arm: mach-alpine: Add missing of_node_put() in alphine_cpu_pm.c
@ 2022-06-15 13:24 Liang He
0 siblings, 0 replies; only message in thread
From: Liang He @ 2022-06-15 13:24 UTC (permalink / raw)
To: tsahee, atenart, linux; +Cc: linux-arm-kernel, linux-kernel, windhl
In alpine_cpu_pm_init(), of_find_compatible_node() will return a node
pointer with refcount incremented. We should use of_node_put() when it
is not used anymore.
Signed-off-by: Liang He <windhl@126.com>
---
arch/arm/mach-alpine/alpine_cpu_pm.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/arm/mach-alpine/alpine_cpu_pm.c b/arch/arm/mach-alpine/alpine_cpu_pm.c
index 13ae8412e9ce..cc201a90d23c 100644
--- a/arch/arm/mach-alpine/alpine_cpu_pm.c
+++ b/arch/arm/mach-alpine/alpine_cpu_pm.c
@@ -51,6 +51,8 @@ void __init alpine_cpu_pm_init(void)
np = of_find_compatible_node(NULL, NULL, "al,alpine-cpu-resume");
al_cpu_resume_regs = of_iomap(np, 0);
+ of_node_put(np);
+
wakeup_supported = !IS_ERR(al_sysfabric) && al_cpu_resume_regs;
if (wakeup_supported) {
--
2.25.1
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2022-06-15 13:24 [PATCH] arch: arm: mach-alpine: Add missing of_node_put() in alphine_cpu_pm.c Liang He
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